Notes
Coefficient of Friction (µ)…
Coefficient of Friction (µ) – It is defined as the ratio of the force of limiting friction (fs) to the normal reaction (R) between them. i.e. µ = fs/R So, value of µ depends on:
(a) Nature of the surface in contact, i.e. dry or wet, rough or smooth,
(b) material of the surface in contact.
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